WorksheetsChapter B2 Test Review
Total questions: 20
Worksheet time: 19mins
A push or pull that causes something to change its motion is a
(a)
Electricity or other fuels are used to provide most
(a)
Explain how kinetic energy and potential energy work together when you swing on a swing or slide down a slide
Which of the following uses chemical energy?
rubber-band racing car
windup toy
television
battery-powered car
The force that pulls any two objects toward each other is
gravity
inertia
kinetic energy
potential energy
You are doing work when you
carry the laundry downstairs
observe a science experiment
watch TV
try to move a large boulder
The force that slows down a moving object is called
inertia
gravity
work
friction
Astronauts can jump high on the moon because the moon has less (a) than the Earth.
Just after you kick a soccer ball, it has
(a)
Two children are lifting boxes that each have a different mass. How can you measure which child is doing more work?
A force causes an object to
do work
fall down to Earth
change its motion
stop moving
Something that makes work easier is a
(a)
A force that occurs when two objects rub against each other is called
(a)
Astronauts weigh less on the moon than on the Earth because
the moon is closer to the Sun than Earth
the force of inertia is very strong on the moon
the moon has less gravity than Earth
people lose weight during space travel
A nail is an example of a
wedge
complex machine
fulcrum
pulley
When a person starts to move, potential energy changes to
work
friction
chemical energy
kinetic energy
Which simple machine would you use to move a heavy box up a ramp?
wedge
inclined plane
wheel and axle
lever
The child who has the most potential energy is the one who
is sitting at the top of a slide
has just begun to swing upward
has just kicked a soccer ball
is riding on a bicycle
When you cut an apple with a knife, you are using a simple machine called a
(a)
A compound machine is something that contains
ropes and pulleys
more than one simple machine
more than one wheel
an electrical socket or battery
